Solve the System of Equations by the Substitution Method $- 9 x + y = 5$

question 94

Multiple Choice

Solve the system of equations by the substitution method.
- $- 9 x + y = 5$
$- 3 x - 4 y = - 7$

• A) \(\left\{ \left( - 4 , - \frac { 3 } { 2 } \right) \right\}\)
• B) \(\{ ( 1 , - 1 ) \}\)
• C) \(\left\{ \left( - \frac { 1 } { 3 } , 2 \right) \right\}\)
• D) \(\left\{ \left( \frac { 2 } { 3 } , 11 \right) \right\}\)

---

Definitions:

Reapply

The action of applying a previous action or setting again in order to ensure current data or content conforms to a specific standard or format.

Filter

A tool in data processing and analysis that allows for the narrowing down of data sets by specifying criteria to display only the data that meet those criteria.

LOCATE

A command or function in programming and software applications that is used to find and identify the position of a specified piece of data within a file or database.

LOOKUP

A function used in spreadsheet programs that searches one or more rows or columns for a specified value and returns a corresponding value from a different row or column in the same range.